Girder Roof Structure

Beams are the choice of structural member because of their incredible load bearing capacity against all conditions.

Girder roof structure.

Roof structure definitions support choices for sloped roofs cantilevered roofs cathedral ceiling roofs. In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. The tables below give maximum spans for rafters and beams. It is the main horizontal support of a structure which supports smaller beams.

A truss is a roof or floor support structure built from a connected series of box or triangle shaped elements to distribute load to a building s walls or foundation. A girder ˈ ɡ ɜːr d ər is a support beam used in construction. A girder truss is designed to support other secondary roof supports. Girders often have an i beam cross section composed of two load bearing flanges separated by a stabilizing web but may also have a box shape z shape or other forms.

This article series describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams. Beams support the structural integrity of buildings mostly residential structures and can be found in floors walls ceilings roofs and decks. A girder is commonly used to build bridges. These are often pre fabricated and sent to a construction site.